from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Composed by candlelight, or at night.
from the GNU version of the Collaborative International Dictionary of English
- adj. Composed by candlelight, or by night; of or pertaining to night studies; laborious or painstaking.
from The Century Dictionary and Cyclopedia
- Composed by candle-light; pertaining to nocturnal study or serious thought.
Latin lucubratorius. (Wiktionary)